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Acanthurus Tractus
''Acanthurus tractus'', the five-band surgeonfish, ocean surgeon, or ocean surgeonfish, is a species of ray-finned fish in the family Acanthuridae found in the western Atlantic Ocean, Florida, the Bahamas, the Caribbean Sea and the Gulf of Mexico. Until recently, it was considered a synonym of ''Acanthurus bahianus'', but its status as a separate species was resurrected in 2011. Taxonomy ''Acanthurus tractus'' was first formally described in 1860 by the Cuban zoologist Felipe Poey with its type locality given as Cuba. This taxon was considered to be a synonyms of '' A. bahianus''. In 2011 it was shown that the populations in the North Atlantic differ morphologically and genetically from the South Atlantic populations and the northern Atlantic population is now recognised as the valid and distinct species. The genus '' Acanthurus'' is one of two genera in the tribe Acanthurini which is one of three tribes in the subfamily Acanthurinae which is one of two subfamilies in the fami ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Felipe Poey Y Aloy
Felipe Poey (May 26, 1799 – January 28, 1891) was a Cuban zoologist. Biography Poey was born in Havana, the son of French and Spanish parents. He spent several years (1804 to 1807) of his life in Pau then studied law in Madrid. He became a lawyer in Spain but was forced to leave due to his liberal ideas, returning to Cuba in 1823. He began to concentrate on the study of the natural science and traveled to France in 1825 with his wife. He began writing on the butterflies of Cuba and acquiring knowledge on fish, later supplying Georges Cuvier and Valenciennes with fish specimens from Cuba. He took part in the foundation, in 1832, of the Société Entomologique de France. Poey returned to Cuba in 1833 where he founded the Museum of Natural History in 1839. In 1842 he became the first professor of zoology and comparative anatomy at the University of Havana The University of Havana or (UH, ''Universidad de La Habana'') is a university located in the Vedado district of Hava ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Specific Name (zoology)
In zoological nomenclature, the specific name (also specific epithet or species epithet) is the second part (the second name) within the scientific name of a species (a binomen). The first part of the name of a species is the name of the genus or the generic name. The rules and regulations governing the giving of a new species name are explained in the article species description. For example, the scientific name for humans is ''Homo sapiens'', which is the species name, consisting of two names: ''Homo'' is the " generic name" (the name of the genus) and ''sapiens'' is the "specific name". Historically, ''specific name'' referred to the combination of what are now called the generic and specific names. Carl Linnaeus, who formalized binomial nomenclature, made explicit distinctions between specific, generic, and trivial names. The generic name was that of the genus, the first in the binomial, the trivial name was the second name in the binomial, and the specific the proper term for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Union For Conservation Of Nature
The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natural resources. It is involved in data gathering and analysis, research, field projects, advocacy, and education. IUCN's mission is to "influence, encourage and assist societies throughout the world to conserve nature and to ensure that any use of natural resources is equitable and ecologically sustainable". Over the past decades, IUCN has widened its focus beyond conservation ecology and now incorporates issues related to sustainable development in its projects. IUCN does not itself aim to mobilize the public in support of nature conservation. It tries to influence the actions of governments, business and other stakeholders by providing information and advice and through building partnerships. The organization is best known to the wider pu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aquarium Trade
Fishkeeping is a popular hobby, practiced by aquarists, concerned with keeping fish in a home aquarium or garden pond. There is also a piscicultural fishkeeping industry, serving as a branch of agriculture. Origins of fishkeeping Fish have been raised as food in pools and ponds for thousands of years. Brightly colored or tame specimens of fish in these pools have sometimes been valued as pets rather than food. Many cultures, ancient and modern, have kept fish for both functional and decorative purposes. Ancient Sumerians kept wild-caught fish in ponds, before preparing them for meals. Depictions of the sacred fish of Oxyrhynchus kept in captivity in rectangular temple pools have been found in ancient Egyptian art. Similarly, Asia has experienced a long history of stocking rice paddies with freshwater fish suitable for eating, including various types of catfish and cyprinid. Selective breeding of carp into today's popular and completely domesticated koi and fancy goldfish be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Longevity
The word " longevity" is sometimes used as a synonym for "life expectancy" in demography. However, the term ''longevity'' is sometimes meant to refer only to especially long-lived members of a population, whereas ''life expectancy'' is always defined statistically as the average number of years remaining at a given age. For example, a population's life expectancy at birth is the same as the average age at death for all people born in the same year (in the case of cohorts). Longevity is best thought of as a term for general audiences meaning 'typical length of life' and specific statistical definitions should be clarified when necessary. Reflections on longevity have usually gone beyond acknowledging the brevity of human life and have included thinking about methods to extend life. Longevity has been a topic not only for the scientific community but also for writers of travel, science fiction, and utopia A utopia ( ) typically describes an imaginary community or society that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gizzard
The gizzard, also referred to as the ventriculus, gastric mill, and gigerium, is an organ found in the digestive tract of some animals, including archosaurs (pterosaurs, crocodiles, alligators, dinosaurs, birds), earthworms, some gastropods, some fish, and some crustaceans. This specialized stomach constructed of thick muscular walls is used for grinding up food, often aided by particles of stone or grit. In certain insects and molluscs, the gizzard features chitinous plates or teeth. Etymology The word ''gizzard'' comes from the Middle English ''giser'', which derives from a similar word in Old French ''gésier'', which itself evolved from the Latin ''gigeria'', meaning giblets. Structure In birds Birds swallow food and store it in their crop if necessary. Then the food passes into their glandular stomach, also called the proventriculus, which is also sometimes referred to as the true stomach. This is the secretory part of the stomach. Then the food passes into the gizzard ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diurnality
Diurnality is a form of plant and ethology, animal behavior characterized by activity during daytime, with a period of sleeping or other inactivity at night. The common adjective used for daytime activity is "diurnal". The timing of activity by an animal depends on a variety of environmental factors such as the temperature, the ability to gather food by sight, the risk of predation, and the time of year. Diurnality is a cycle of activity within a 24-hour period; cyclic activities called circadian rhythms are endogenous cycles not dependent on external cues or environmental factors except for a zeitgeber. Animals active during twilight are crepuscular, those active during the night are nocturnal and animals active at sporadic times during both night and day are cathemerality, cathemeral. Plants that open their flowers during the daytime are described as diurnal, while those that bloom during nighttime are nocturnal. The timing of flower opening is often related to the time at which ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seagrass Meadow
A seagrass meadow or seagrass bed is an underwater ecosystem formed by seagrasses. Seagrasses are marine (saltwater) plants found in shallow coastal waters and in the brackish waters of estuaries. Seagrasses are flowering plants with stems and long green, grass-like leaves. They produce seeds and pollen and have roots and rhizomes which anchor them in seafloor sand. Seagrasses form dense underwater meadows which are among the most productive ecosystems in the world. They provide habitats and food for a diversity of marine life comparable to that of coral reefs. This includes invertebrates like shrimp and crabs, cod and flatfish, marine mammals and birds. They provide refuges for endangered species such as seahorses, turtles, and dugongs. They function as nursery habitats for shrimps, scallops and many commercial fish species. Seagrass meadows provide coastal storm protection by the way their leaves absorb energy from waves as they hit the coast. They keep coastal waters healthy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flower Garden Banks National Marine Sanctuary
The Flower Garden Banks National Marine Sanctuary (FGBNMS) is a United States National Marine Sanctuary located offshore of Galveston, Texas, in the northwestern Gulf of Mexico. It contains the northernmost coral reefs in the United States. Underlying salt domes forced the seafloor upward in various areas of the Gulf of Mexico, resulting in the formation of seamounts and ocean banks. Conditions of the Gulf of Mexico were conducive to reef-building, which started roughly ten to fifteen thousand years ago. Two reefs, East Flower Garden Bank (EFGB) and West Flower Garden Bank (WFGB), made up Flower Garden Banks National Marine Sanctuary (FGBNMS) when it was initially created in 1992. In 1996, Stetson Bank was added to the sanctuary. The three banks are not contiguous. The sanctuary contains many aquatic species. Almost three hundred species of fish and over twenty species of coral are found in the sanctuary along with a wide variety of crustaceans, sea sponge, sponges, and plants. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tuxpan
Tuxpan (or Túxpam, fully Túxpam de Rodríguez Cano) is both a municipality and city located in the Mexican state of Veracruz. The population of the city was 78,523 and of the municipality was 134,394 inhabitants, according to the INEGI census of 2005, residing in a total area of . The municipality includes many smaller outlying communities, the largest of which are Alto Lucero and Santiago de la Peña. A local beachside community is also nearby. Overview Tuxpan or Túxpam, pronounced in Nahuatl, the language of the ancient Aztecs, literally means "Place of Rabbits", a compound of ''tochtli'' "rabbit" and ''-pan'' "place". The city is located on the banks of the Tuxpan River, which reaches the Gulf of Mexico downstream . Being the nearest port to Mexico City, Tuxpan is an important commercial link for Mexican imports and exports. Tuxpan is now primarily a grain port, with emphasis on soybeans and maize. Off-shore links to oil pipelines are used to transfer petroleum produc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acanthurus Randalli
''Acanthurus randalli'' is a tropical fish found in the western Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ... ocean.''Acanthurus randalli'' at www.fishbase.org. It was first named by Briggs and Caldwell in 1957, and is commonly known as the Gulf surgeonfish. at www.fishbase ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acanthurus Chirurgus
''Acanthurus chirurgus'', commonly called doctorfish or doctorfish tang in English and ''barbero rayado'' or ''cirujano rayado'' in Spanish, is a tropical marine fish common in the Atlantic Ocean. Description Reaching a maximum size of and , ''Acanthurus chirurgus'' gets its common name for the structures called " scalpels", which are found on either side of the caudal peduncle. The "scalpel" is used during fights with other doctorfish and as a defense mechanism against predators. Its coloration generally varies from blue-gray to dark brown. 10 to 12 vertical bars are always present, but often faint. The edges of the caudal, dorsal, and anal fins are blue. There is also a faint blue ring that can be seen encircling the "scalpel" on either side. There is a black morph, as well, but it is neither a subspecies nor a regional mutation. It has only been documented a limited number of times. Range and habitat This species is typically found among rocky outcrops and coral reefs. Its ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
